{ "model": { "rank": 6112, "code": "thing-q149757", "model_id": "vr.tr.compact-cassette", "name": "compact cassette", "purpose": "Let an agent explain the compact cassette, relay its format, history, tape types and decline and revival from audio history sources, describe the named variants and flag the unverified alias, and distinguish it from reel-to-reel tape, the 8-track cartridge, the CD and digital audio files.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q149757/", "tier": 2, "score": 62, "payload": { "layer": "wikidata", "aliases": [ "Tapete", "2 × MC", "3 × MC", "Aurex", "TEAC Open Cassette", "Compact Cassette Type I", "endless loop Compact Cassette", "Axia", "CDing", "Sony X", "Frampton Comes Alive!", "APF Imagination Machine data cassette", "IBM cassette tape", "Compact Cassette Type II", "Compact Cassette Type III", "Compact Cassette Type IV", "1+1 music cassette", "CDix", "Panasonic PX", "TDK A", "TDK AD-X", "TDK AD1", "TDK AR", "TDK B", "TDK FE", "TDK LN", "TDK OD", "TDK SD", "Maxell LN", "Maxell UDI", "Maxell UE", "Maxell UL", "BASF Ferro Extra I", "BASF LH", "BASF Ferro Super LH", "BASF LH Extra I", "BASF ReCord I", "Sony AHF", "Sony BHF", "Sony CHF" ], "aliasCount": 101, "merged": 101, "knownIn": 62, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q149757", "url": "https://www.wikidata.org/wiki/Q149757", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-14T02:52:00Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q149757", "registryId": "vr.tr.compact-cassette", "name": "compact cassette", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q149757/", "model": { "registry_id": "vr.tr.compact-cassette", "name": "compact cassette", "purpose": "Let an agent explain the compact cassette, relay its format, history, tape types and decline and revival from audio history sources, describe the named variants and flag the unverified alias, and distinguish it from reel-to-reel tape, the 8-track cartridge, the CD and digital audio files.", "definition": "A magnetic tape sound recording format introduced by Philips in 1963, in which two reels of narrow tape sit in a small plastic shell, played and recorded in cassette decks and portable players, which made recorded music portable and enabled home recording and mixtapes before digital formats; the registry aliases name variants and related terms such as tape types including Type I, twin and triple cassette formats, the Aurex and TEAC open cassette systems, and Tapete, which could not be verified. Cassettes declined with CDs and digital audio but have a niche revival, and old tapes degrade, so archival transfer is advised.", "what_it_is_for": "Portable magnetic tape sound recording.", "affordances": [ "explain the format and history", "relay tape types", "describe named variants and flag the unverified one", "distinguish related formats" ], "distinguishing_features": [ "Two reels in a shell", "Portable recording", "Home recording and mixtapes", "Niche revival" ], "appearance": "A small rectangular plastic shell holding two tape reels, with a window showing the tape.", "visual_identification": [ "Magnetic tape cassette for sound", "Tapete, twin and triple cassette, Aurex, TEAC Open Cassette, Compact Cassette Type I", "Reel-to-reel uses open reels; the 8-track is a loop cartridge; the CD is optical; digital files are computer data" ], "physical_properties": [ { "quantity": "introduced", "typical_range": "1963", "unit": "year", "note": "Philips" }, { "quantity": "tape types", "typical_range": "I ferric, II chrome, IV metal", "unit": "list", "note": "" }, { "quantity": "registry parent", "typical_range": "sound recording medium", "unit": "note", "note": "" } ], "families_and_kinds": [ "Type I to Type IV tapes", "prerecorded and blank cassettes", "twin and triple formats" ], "related_models": [ { "relation": "is a kind of", "target": "sound recording medium", "why": "in registry terms" }, { "relation": "is contrasted with", "target": "reel-to-reel tape", "why": "" }, { "relation": "is contrasted with", "target": "8-track cartridge", "why": "" }, { "relation": "is contrasted with", "target": "compact disc", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Philips cassette specification", "Archival transfer guidance" ], "failure_modes_and_hazards": [ "Tape degradation and loss", "Player damage from worn tapes", "Unverified alias" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a compact cassette is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "Are old cassettes degrading, in which case archival transfer to digital is advised before they fail?", "kind": "boundary" }, { "text": "What is a compact cassette, and how does it differ from reel-to-reel tape, the 8-track, the CD and digital files?", "kind": "definition" } ] } ] }, { "id": "variants", "name": "Variants", "description": "Named variants.", "findings": [ { "id": "variants-finding", "name": "Variants", "description": "Variants.", "questions": [ { "text": "What are the tape types and formats such as twin cassettes, and what might Tapete be?", "kind": "definition" }, { "text": "Which entry fits the specific variant?", "kind": "action" } ] } ] } ] }, { "id": "technology", "name": "Technology", "description": "Technology.", "rationale": "Science.", "layers": [ { "id": "format", "name": "Format", "description": "Format.", "findings": [ { "id": "format-finding", "name": "Format", "description": "Format.", "questions": [ { "text": "How does the cassette hold and play tape?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "tapes", "name": "Tapes", "description": "Tape types.", "findings": [ { "id": "tapes-finding", "name": "Tapes", "description": "Tapes.", "questions": [ { "text": "How do ferric, chrome and metal tapes differ?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "history", "name": "History", "description": "History.", "rationale": "Sources.", "layers": [ { "id": "rise", "name": "Rise", "description": "Rise of the cassette.", "findings": [ { "id": "rise-finding", "name": "Rise", "description": "Rise.", "questions": [ { "text": "How did the cassette make music portable and enable mixtapes?", "kind": "provenance" }, { "text": "Which entry fits Walkman?", "kind": "action" } ] } ] }, { "id": "decline", "name": "Decline", "description": "Decline and revival.", "findings": [ { "id": "decline-finding", "name": "Decline", "description": "Decline.", "questions": [ { "text": "How did CDs and digital audio displace cassettes, and what revival exists?", "kind": "provenance" }, { "text": "Is the information current?", "kind": "boundary" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Preservation.", "rationale": "Sources.", "layers": [ { "id": "archival", "name": "Archival", "description": "Archival transfer.", "findings": [ { "id": "archival-finding", "name": "Archival", "description": "Archival.", "questions": [ { "text": "How are old cassette recordings preserved?", "kind": "provenance" }, { "text": "Is the information accurate?", "kind": "boundary" } ] } ] }, { "id": "culture", "name": "Culture", "description": "Cultural role.", "findings": [ { "id": "culture-finding", "name": "Culture", "description": "Culture.", "questions": [ { "text": "How did cassettes shape music culture and sharing?", "kind": "provenance" }, { "text": "Is the presentation neutral and attributed?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "The registry alias Tapete could not be verified and should be reviewed", "Should tape types be separate entries?", "How should archival transfer be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a compact cassette, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain the compact cassette, relay its format, history, tape types and decline and revival from audio history sources, describe the named variants and flag the unverified alias, and distinguish it from reel-to-reel tape, the 8-track cartridge, the CD and digital audio files.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Tapete, 2 × MC, 3 × MC, Aurex, TEAC Open Cassette, Compact Cassette Type I, endless loop Compact Cassette, Axia, CDing, Sony X, Frampton Comes Alive!, APF Imagination Machine data cassette.", "101 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 62 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a compact cassette, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Tapete", "2 × MC", "3 × MC", "Aurex", "TEAC Open Cassette", "Compact Cassette Type I", "endless loop Compact Cassette", "Axia", "CDing", "Sony X", "Frampton Comes Alive!", "APF Imagination Machine data cassette" ] } ], "standing": "Described in 62 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 101 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one compact cassette from another, and a compact cassette from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a compact cassette sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a compact cassette from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a compact cassette is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a compact cassette is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a compact cassette is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a compact cassette is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a compact cassette is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a compact cassette is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a compact cassette passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a compact cassette between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a compact cassette, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a compact cassette is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What compact cassette is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does compact cassette perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise compact cassette, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How compact cassette is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does compact cassette have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does compact cassette need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about compact cassette is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about compact cassette hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern compact cassette, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a compact cassette came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a compact cassette and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a compact cassette is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a compact cassette, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a compact cassette, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a compact cassette is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }